/*************************************************************************
    > File Name: print_process_id.c
    > Author: Xing.Dai
    > Mail: Xing.Dai@aliyun.com 
    > Created Time: 2017-01-12 01:07
 ************************************************************************/

#include "apue.h"

int main(void)
{
	printf("hello world from process ID %d.\n", getpid());

	exit(0);
}
